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Ferriss's fitness and relationship picks, Rabois on Stebbings' BoxGroup interview, and Garry Tan on robotics after Astra
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Tim Ferriss updated his book and program picks. Keith Rabois praised Harry Stebbings' conversation with David Tisch, and Garry Tan, Patrick O'Shaughnessy and Ryan Hoover each pointed to an AI, investing or podcast piece.

Ferriss: what he would still recommend

Asked whether The 4-Hour Body holds up after 40, Tim Ferriss said there is "very little in that book that I would rescind or revise" . He still uses the slow-carb diet and calls it "one of my top picks" . He pointed people to his free blog post "How to lose 100 lb on the slow carb diet," which he calls "the simplest, most reliable diet for recomposition." His reason: "the best diet that you follow is a lot better than the perfect diet that you quit" . His one caveat is policosanol, part of the book's PEG supplement stack. He says he would need to look again at research not funded by industry .

He also made three picks for a new parent:

  • Terry Real's audiobook Fierce Intimacy. He calls Real "a beacon of clarity in a world of hand-wavy relationship advice." It is audio only, with no print or Kindle version. He would pick it over Crucial Conversations .
  • Jerzy and Aniela Gregorek's The Happy Body (book and program). Naval Ravikant introduced him to them. The couple, now in their 60s, credit most of their abilities to its daily exercise routine. He says the equipment should cost under $50 .
  • Coach Chris Sommer's Gymnastic Strength Training (GST). He calls it "phenomenal" bodyweight training that needs only a floor. Combining GST, The Happy Body and acro yoga put him in the best shape he has been in for decades .

Rabois: Stebbings' BoxGroup conversation

Keith Rabois called Harry Stebbings' conversation with David Tisch an "Excellent conversation" . Stebbings says he had been wrong to doubt that a portfolio of 150+ companies with a $200M+ fund could produce outsized returns. He calls the episode an analysis of BoxGroup's returns over the years . Takeaways from the conversation, as Stebbings summarized them:

  • Concentrated funds claim to win 90% of the deals they want, but Tisch puts the real figure at about 20% .
  • Dilution in fast-scaling Series B–D rounds is now 3%–8%, down from 12%–20% .
  • BoxGroup has stopped funding consumer brands at seed .

Garry Tan: Freda Duan's robotics report

Garry Tan shared Freda Duan's "10 Spicy Takes After Talking to 50 Friends at the Frontier of Robotics" with the line "Practical robotics is nigh" . Duan argues that Astra is "robotics' GPT-3 moment." In her view, robotics is becoming "just another vertical for frontier labs," and the next bottleneck is deployment rather than intelligence . She says the takes are meant "to spark debate," since Astra has been out only about a month. The full report is on Robonomics .

O'Shaughnessy: his conversation with Cliff Sosin

Patrick O'Shaughnessy re-promoted his conversation with investor Cliff Sosin, whom he calls one of his favorite people "to call, ask some big questions, and then shut up and listen" . The new clip is Sosin's "diamond-shaped demand frontier" argument. He sees few use cases for "super elite intelligence," while "very good intelligence is highly competitive and commoditized" . The episode also covers who profits from AI and why Sosin is comfortable with 80% of his portfolio in Carvana .

Shorter picks

  • Ryan Hoover called a podcast billed as John McAfee's last interview a "Fascinating convo about self-reliance, love, and Crisco" . @cyantist, whose amateur show recorded it during the pandemic, adds a warning: "don't listen to this around kids." Listen on Spotify .
  • Keith Rabois suggested following @RealSKeshel and @PatrickRuffini "for rigorous analysis of elections." He describes Keshel as optimistic about GOP prospects and Ruffini as more pessimistic .
  • Ben Horowitz shared a YouTube conversation as "A conversation amongst legends." He tagged Paid In Full, Roxanne Shanté, West Coast Doc and QD3, but gave no further context .
Ferriss's fitness and relationship picks, Rabois on Stebbings' BoxGroup interview, and Garry Tan on robotics after Astra
Tim Ferriss
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  • Tim Ferriss says he still stands by nearly all of The 4-Hour Body, especially its Slow Carb Diet, which remains one of his top picks; he points readers to a free, photo-rich blog post, “How to Lose 100 lb on the Slow Carb Diet,” as a guide. His caveat is the policosanol in the book’s PEG supplement stack, whose evidence he says he would need to reassess. For more on intermittent keto, he also directs listeners to metabolic psychiatry or his interview with Chris Palmer of Harvard, saying keto helps him optimize and stabilize energy production.
  • For relationship advice, Ferriss recommends Terry Real’s audiobook Fierce Intimacy, praising Real’s clarity and experience and the audiobook’s coverage of his core principles and strategies; he says he would choose it over Crucial Conversations, which he also suggests.
  • Ferriss recommends Jerzy and Aniela Gregorek’s The Happy Body book and program, saying they credit their physical abilities to its daily exercise sequence and that it requires very little equipment. He also points to Coach Chris Sommer’s Gymnastic Strength Training (GST), calling it phenomenal bodyweight training that needs little more than a floor; he says he was in the best shape of his life in decades when combining GST with The Happy Body and acro yoga.
Does The 4-Hour Body Still Work After 40? (I’m 49)
Jason ✨👾SaaStr.Ai✨ Lemkin

Jason Lemkin shared the latest CRO Confidential conversation featuring Databricks CRO Ron Gabrisko and Sam Blond, CEO of MonacoGTM, linking to the full video and a SaaStr write-up. The clip highlights Gabrisko’s view that sales staff should spend 60% of their time in front of customers and have AI automate the rest, with Monday and Friday for AI/admin work and Tuesday through Thursday for customer visits.

New!! The Lastest CRO Confidential with [@databricks](https://x.com/databricks) CRO on Ron Gabrisko and [@samdblond](https://x.com/samdbl… [@databricks](https://x.com/databricks) Full convo here with [@samdblond](https://x.com/samdblond): [https://youtu.be/Pb9JiWvxikg?si=z8nu… [@databricks](https://x.com/databricks) [@samdblond](https://x.com/samdblond) And SaaStr post here: [https://www.saastr.com/databricks-cr… "I want our sales team to have 60% of their time in front of customers. Everything else, we want AI to automate." [@databricks](https://x…
Keith Rabois

Keith Rabois called the linked conversation “Excellent” and pointed readers to Harry Stebbings’s post . Stebbings described the conversation as an analysis of BoxGroup’s returns over the years; the post discusses David Tisch’s venture portfolio and topics including diversified funds, seed investing, pro rata, dilution, and consumer-brand funding .

Excellent conversation. [https://x.com/harrystebbings/status/2116927843468767609](https://x.com/harrystebbings/status/2116927843468767609) One of the single most important things that I look for in anyone is the ability to admit that they were wrong. Reflect on it and improve…
tobi lutke

Tobi calls bot-based shopping “such a great experience” and recommends doing holiday shopping in bots, advising readers to get any needed skills from shop.md first. The referenced example is Muse shopping using friends’ handles and a connected Shop Pay account.

It's such a great experience. Highly recommend doing your shopping in bots this year. Just make sure you go grab the right skills at [htt… It's crazy that [@Muse](https://x.com/Muse) can literally do your holiday shopping if you just feed it your friends’ handles and connect …
Keith Rabois

Keith Rabois recommends following @RealSKeshel and @PatrickRuffini for rigorous election analysis, describing Keshel as optimistic about GOP prospects and Ruffini as more pessimistic.

If you are interested in rigorous analysis of elections, follow [@RealSKeshel](https://x.com/RealSKeshel) (optimistic re GOP prospects) a…
Patrick OShaughnessy

Patrick O’Shaughnessy spotlights a video conversation with investor Cliff Sosin, describing Sosin as one of his favorite people to call with big questions and listen to; the conversation covers AI and investing, among other topics. In a clip from that conversation, Sosin argues that demand for frontier AI may narrow as models get smarter: very good intelligence could be widely useful but commoditized, while super-elite intelligence may have few use cases. Full conversation.

Cliff Sosin (@CliffordSosin) is one of my favorite people to call, ask some big questions, and then shut up and listen. This conversation… Cliff Sosin on why demand for frontier AI may narrow as models get smarter: "It's like this diamond-shaped demand frontier, where initial…
Garry Tan

Garry Tan shared Freda Duan’s post “10 Spicy Takes After Talking to 50 Friends at the Frontier of Robotics,” framing it as “Practical robotics is nigh.” The post presents ten takes based on conversations with 50 people at the frontier of robotics and links a full diligence report.

Practical robotics is nigh [https://x.com/fredaduan/status/2116727410972590380](https://x.com/fredaduan/status/2116727410972590380) 10 Spicy Takes After Talking to 50 Friends at the Frontier of Robotics 🤖🔥 1/ Astra IS robotics' GPT-3 moment. Ironically, now that it's f…
Aravind Srinivas

Aravind Srinivas shared Computer’s unofficial GTA VI map, which pairs fan-identified Florida locations with Leonida landmarks and lets users compare the maps and explore Leonida in 3D (try it).

Leonida in the form of a 3D map, paired with real Florida [https://x.com/askperplexity/status/2116673618621206675](https://x.com/askperpl… Computer built an unofficial GTA VI map pairing Leonida landmarks with Florida locations identified by fans. Compare both maps side by si…
Jason ✨👾SaaStr.Ai✨ Lemkin

Jason Lemkin (@jasonlk) points readers to a free “AI Sales Agents” guide at the AI Agents Playbook, in the context of sharing more information about “all our AI agents”; he gives no specific reason for recommending the guide .

More on all our AI agents here: [https://SaaStr.ai/agents](https://SaaStr.ai/agents) Grab FREE guide to AI Sales Agents here: [https://sa…
benahorowitz.eth

Ben Horowitz shared a YouTube conversation, describing it as “A conversation amongst legends,” and tagged @paidinfullorg, @ImroxanneShante, @WESTCOASTDOC, and @QD3; the post does not clearly identify a creator or give a specific takeaway. [https://youtu.be/VDsQDZIaKhA?si=mMKXyTYpzOXfH8UO]

A conversation amongst legends [https://youtu.be/VDsQDZIaKhA?si=mMKXyTYpzOXfH8UO](https://youtu.be/VDsQDZIaKhA?si=mMKXyTYpzOXfH8UO) [@pai…
Ryan Hoover

Ryan Hoover says he recently listened to a “fascinating” conversation about self-reliance, love, and Crisco . The linked podcast episode shared by @cyantist is described as the last interview with John McAfee before his death; listen on Spotify .

Recently listened to this. Fascinating convo about self-reliance, love, and Crisco. [https://x.com/cyantist/status/2116955290541388016](h… I think we did the last interview of John McAfee before he died. The first interview we had set up with him failed. We had a technical is…
Elon Musk

Elon Musk linked and affirmed @dvorahfr’s X post with “It is,” endorsing its argument that becoming multiplanetary is necessary and its hope that humanity will prepare for life on the Moon and then Mars.

It is [https://x.com/dvorahfr/status/2116989560232067461](https://x.com/dvorahfr/status/2116989560232067461) The more I read the news, the more I think that becoming multiplanetary is a necessity. I hope we will have enough time to prepare for li…
Aravind Srinivas

Aravind Srinivas highlighted Computer’s interactive globe of Earth’s deep-time geography, linking the AskPerplexity post and prompting, “Computer, visualize earth across 400M years.” The visualization uses 14 open datasets and lets users explore past geography by moving through a timeline or entering a city; Srinivas gives no explicit reason for sharing it.

Computer, visualize earth across 400M years [https://x.com/askperplexity/status/2116968632890839141](https://x.com/askperplexity/status/2… Computer built an interactive globe of Earth's 4.5 billion years from 14 open datasets, with its own engine moving 258 plates across 109 …
Guillermo Rauch

Guillermo Rauch praised Formula 1 as “the perfect competition for our times,” citing its celebration of extraordinary technology and human ability; he linked Vercel’s post and video about Kimi Antonelli’s championship, presented there as a chance to “watch history.”

F1 is basically the perfect competition for our times. The celebration of extraordinary technology and extraordinary human ability. That’… 20 years 68 days old. The youngest World Champion in history. Congratulations, Kimi Antonelli, 2026 F1 World Drivers' Champion. Vercel si…